chars = [ 'a', 'b', 'c', 'd', 'e' ];

SCR.innerHTML="";
for (var i=0;i<200;i++)    {
    SCR.innerHTML+="<span>"+chars[i%5]+"</span>";
}

LAYER1.addTo("anim1", function()    {
    makeGrid($$('span'),{ stepx: FRAMECOUNTER%40, stepy: FRAMECOUNTER%40 });
});
